This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 1 | 5107 |
| 2 | 20771 |
| 3 | 51427 |
| 4 | 52517 |
| 5 | 61417 |
| 6 | 66161 |
| 7 | 116731 |
| 8 | 119359 |
| 9 | 128657 |
| 10 | 140741 |
| 11 | 147647 |
| 12 | 150559 |
| 13 | 199783 |
| 14 | 203773 |
| 15 | 213949 |
| 16 | 229939 |
| 17 | 237283 |
| 18 | 261761 |
| 19 | 286751 |
| 20 | 288929 |
| 21 | 303089 |
| 22 | 339139 |
| 23 | 342373 |
| 24 | 381853 |
| 25 | 384611 |
| 26 | 385657 |
| 27 | 475897 |